Moved some building script from GNU make to Ruby script
Added minirake what's Rake subset
Merge branch 'master' into use_ruby_for_building
Fix a typo in comment

elment ->
element
MSVC doesn't define strtoll but _strtoi64.
Moved some building script from GNU make to Ruby script
Added minirake what's Rake subset
Merge pull request #631 from darashi/fix-typo

Fix a typo in comment
Merge pull request #632 from cremno/msvc-strtoll

MSVC doesn't define strtoll
should not ignore exception on top-level; close #635
nextc() might have problem on bytes higer than 0x80; close #628
Merge pull request #634 from masuidrive/use_ruby_for_building

Use CRuby for building
fix (-T, --tasks) show tasks
Merge pull request #636 from selman/minirake_tasks

fix (-T, --tasks) show tasks
Rakefile should honor CFLAGS environment variable in debug mode
codedump should print relative offset for irep in OP_LAMBDA
Rakefile to honor CFLAGS env by default
fix build: add LIBS flag. and fix quoted arguments on windows.
"#{MRUBY_ROOT}/mrbgems/g" add to the default search path
minirake exit status not 0, when build failed.
Merge pull request #641 from iij/pr-minirake-exit-status

minirake exit status not 0, when build failed.
Merge pull request #640 from iij/pr-mrbgems-support-relative-path

GEMS.active support relative path